DC Generators When two D.C. generators are running in parallel an equalizer bar is used To increase the generated e.m.f. To reduce the combined effect of armature reaction of both the machines So that the two identical machines will pass approximately equal currents to the load To increase the series flux To increase the generated e.m.f. To reduce the combined effect of armature reaction of both the machines So that the two identical machines will pass approximately equal currents to the load To increase the series flux ANSWER DOWNLOAD EXAMIANS APP
DC Generators An 8 pole, 250 V, wave wound generator has 400 conductors. If the generator is to be lap wound, the number of conductors required is ______ 3200 1600 800 100 3200 1600 800 100 ANSWER DOWNLOAD EXAMIANS APP
DC Generators Brushes of D.C. machines are made of All of above Carbon Soft copper Hard copper All of above Carbon Soft copper Hard copper ANSWER DOWNLOAD EXAMIANS APP
DC Generators The resistance of armature winding depends on All of the listed here Length of conductor Cross sectional area of the conductor Number of conductors All of the listed here Length of conductor Cross sectional area of the conductor Number of conductors ANSWER DOWNLOAD EXAMIANS APP
DC Generators Which of the following generator provides approximately constant voltage from no load to full load? Over compounded Shunt Flat compounded Series Over compounded Shunt Flat compounded Series ANSWER DOWNLOAD EXAMIANS APP
DC Generators Magnetic field in a D.C. generator is produced by Electromagnets None of these Both (A) and (B) Permanent magnets Electromagnets None of these Both (A) and (B) Permanent magnets ANSWER DOWNLOAD EXAMIANS APP